The Best 5 Liquid Coolants for Powerful Water Cooling CPU Fans

When it comes to water cooling your CPU, the choice of liquid coolant is crucial for optimal performance and longevity of your system. The right liquid coolant can make a significant difference in thermal conductivity, specific heat, biocidal properties, and anti-corrosive properties – all of which are essential for effective CPU cooling. In this comprehensive guide, we’ll dive deep into the technical details and provide you with the knowledge to select the perfect liquid coolant for your water-cooled CPU setup.

Understanding Liquid Coolant Properties

Thermal Conductivity

Thermal conductivity is a measure of a material’s ability to conduct heat. For liquid coolants, a higher thermal conductivity means better heat transfer from the CPU to the cooling system. Ideally, you want a liquid coolant with a thermal conductivity of at least 0.25 W/mK (Watts per meter-Kelvin) for efficient CPU cooling.

Specific Heat Capacity

Specific heat capacity is the amount of energy required to raise the temperature of a substance by one degree Celsius. A higher specific heat capacity means the coolant can absorb more heat before its temperature rises. For water cooling, you should look for a liquid coolant with a specific heat capacity of around 4.18 J/g°C (Joules per gram-Celsius).

Biocidal Properties

Biocidal properties refer to the coolant’s ability to prevent the growth of bacteria, algae, and other microorganisms. These contaminants can clog up the cooling system and reduce its efficiency. Premixed coolants like Mayhems X1, EKWB’s EK-CryoFuel, and XSPC’s XF series typically contain biocides to maintain a clean and healthy cooling system.

Anti-Corrosive Properties

Corrosion can be a significant issue in water cooling systems, as it can damage the metal components and lead to leaks. Liquid coolants with anti-corrosive properties, such as those containing inhibited propylene glycol, can help protect the system from corrosion and extend its lifespan.

Premixed Liquid Coolants

What Kind FO Liquid Coolant for Water Cooling CPU Fans

Premixed liquid coolants are a popular choice for water cooling enthusiasts, as they offer a convenient and ready-to-use solution. These coolants are formulated by manufacturers to provide a balance of thermal performance, biocidal properties, and anti-corrosive protection.

Mayhems X1

Mayhems X1 is a premixed coolant that uses a proprietary blend of biocides and anti-corrosives to prevent the growth of bacteria and protect against corrosion. It has a thermal conductivity of 0.251 W/mK and a specific heat capacity of 4.18 J/g°C, making it a great choice for water cooling CPU fans.

EKWB’s EK-CryoFuel

EKWB’s EK-CryoFuel is another premixed coolant that offers excellent performance and biocidal properties. It uses a blend of biocides and corrosion inhibitors to keep your cooling system clean and protected. With a thermal conductivity of 0.273 W/mK and a specific heat capacity of 4.18 J/g°C, EK-CryoFuel is a top-tier option for water cooling CPU fans.

XSPC’s XF Series

XSPC’s XF series of coolants are also a great choice for water cooling CPU fans. These coolants use a blend of biocides and corrosion inhibitors to prevent the growth of bacteria and protect against corrosion. They have a thermal conductivity of 0.25 W/mK and a specific heat capacity of 4.18 J/g°C, making them a reliable and high-performing option.

Mixing Your Own Coolant

If you prefer to have more control over the composition of your liquid coolant, you can opt to mix your own. This approach allows you to customize the blend of additives to suit your specific needs, but it also requires more time and effort.

When mixing your own coolant, it’s essential to use the right additives to prevent corrosion and bacterial growth. Some common additives include:

  • Biocides: Substances like sodium benzoate that inhibit the growth of bacteria and algae.
  • Corrosion Inhibitors: Compounds like inhibited propylene glycol that protect the metal components in your cooling system from corrosion.

It’s important to carefully measure the additives and water to ensure the right proportions, as an imbalance can lead to issues like reduced thermal performance or even damage to your system.

Technical Specifications for Liquid Coolants

To ensure optimal performance and longevity of your water-cooled CPU, look for liquid coolants with the following technical specifications:

Specification Recommended Value
Thermal Conductivity ≥ 0.25 W/mK
Specific Heat Capacity ≈ 4.18 J/g°C
Biocidal Properties Presence of biocides to prevent bacterial growth
Anti-Corrosive Properties Presence of corrosion inhibitors to protect metal components

By considering these technical details and choosing the right liquid coolant, you can ensure your water-cooled CPU setup operates at peak efficiency and reliability.

Conclusion

Selecting the appropriate liquid coolant is a crucial step in building a high-performing and long-lasting water cooling system for your CPU. Factors like thermal conductivity, specific heat capacity, biocidal properties, and anti-corrosive properties all play a vital role in the overall performance and longevity of your cooling setup.

Whether you opt for a premixed coolant or choose to mix your own, understanding the technical specifications and properties of the liquid coolant is essential for achieving optimal CPU cooling. By following the guidelines and recommendations outlined in this comprehensive guide, you can make an informed decision and ensure your water-cooled CPU setup delivers the best possible performance.

Reference:

  1. Water Cooling: The Ultimate Guide – Part 1: Coolant Selection
  2. The Best Liquid Coolants for PC Water Cooling in 2021
  3. How to Choose the Best Liquid Coolant for Your PC